72015367 has 2 divisors, whose sum is σ = 72015368. Its totient is φ = 72015366.

The previous prime is 72015313. The next prime is 72015413. The reversal of 72015367 is 76351027.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72015367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72015467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36007683 + 36007684.

It is an arithmetic number, because the mean of its divisors is an integer number (36007684).

Almost surely, 2^72015367 is an apocalyptic number.

72015367 is a deficient number, since it is larger than the sum of its proper divisors (1).

72015367 is an equidigital number, since it uses as much as digits as its factorization.

72015367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 72015367 is about 8486.1868350868. The cubic root of 72015367 is about 416.0463594014.

The spelling of 72015367 in words is "seventy-two million, fifteen thousand, three hundred sixty-seven".